1 /* $NetBSD: mount_lfs.c,v 1.9 1999/12/08 22:39:25 perseant Exp $ */ 2 3 /*- 4 * Copyright (c) 1993, 1994 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #include <sys/cdefs.h> 37 #ifndef lint 38 __COPYRIGHT("@(#) Copyright (c) 1993, 1994\n\ 39 The Regents of the University of California. All rights reserved.\n"); 40 #endif /* not lint */ 41 42 #ifndef lint 43 #if 0 44 static char sccsid[] = "@(#)mount_lfs.c 8.4 (Berkeley) 4/26/95"; 45 #else 46 __RCSID("$NetBSD: mount_lfs.c,v 1.9 1999/12/08 22:39:25 perseant Exp $"); 47 #endif 48 #endif /* not lint */ 49 50 #include <sys/param.h> 51 #include <sys/mount.h> 52 53 #include <ufs/ufs/ufsmount.h> 54 55 #include <err.h> 56 #include <errno.h> 57 #include <stdio.h> 58 #include <stdlib.h> 59 #include <string.h> 60 #include <unistd.h> 61 62 #include "mntopts.h" 63 #include "pathnames.h" 64 65 const struct mntopt mopts[] = { 66 MOPT_STDOPTS, 67 MOPT_UPDATE, 68 { NULL } 69 }; 70 71 int main __P((int, char *[])); 72 void invoke_cleaner __P((char *)); 73 void usage __P((void)); 74 75 int short_rds, cleaner_debug; 76 77 int 78 main(argc, argv) 79 int argc; 80 char *argv[]; 81 { 82 struct ufs_args args; 83 int ch, mntflags, noclean; 84 char *fs_name, *options; 85 const char *errcause; 86 87 options = NULL; 88 mntflags = noclean = 0; 89 while ((ch = getopt(argc, argv, "dno:s")) != -1) 90 switch (ch) { 91 case 'd': 92 cleaner_debug = 1; 93 break; 94 case 'n': 95 noclean = 1; 96 break; 97 case 'o': 98 getmntopts(optarg, mopts, &mntflags, 0); 99 break; 100 case 's': 101 short_rds = 1; 102 break; 103 case '?': 104 default: 105 usage(); 106 } 107 argc -= optind; 108 argv += optind; 109 110 if (argc != 2) 111 usage(); 112 113 args.fspec = argv[0]; /* the name of the device file */ 114 fs_name = argv[1]; /* the mount point */ 115 116 #define DEFAULT_ROOTUID -2 117 args.export.ex_root = DEFAULT_ROOTUID; 118 if (mntflags & MNT_RDONLY) { 119 args.export.ex_flags = MNT_EXRDONLY; 120 noclean = 1; 121 } else 122 args.export.ex_flags = 0; 123 124 if (mount(MOUNT_LFS, fs_name, mntflags, &args)) { 125 switch (errno) { 126 case EMFILE: 127 errcause = "mount table full"; 128 break; 129 case EINVAL: 130 if (mntflags & MNT_UPDATE) 131 errcause = 132 "specified device does not match mounted device"; 133 else 134 errcause = "incorrect super block"; 135 break; 136 default: 137 errcause = strerror(errno); 138 break; 139 } 140 errx(1, "%s on %s: %s", args.fspec, fs_name, errcause); 141 } 142 143 if (!noclean) 144 invoke_cleaner(fs_name); 145 /* NOTREACHED */ 146 147 exit(0); 148 } 149 150 void 151 invoke_cleaner(name) 152 char *name; 153 { 154 char *args[6], **ap = args; 155 156 /* Build the argument list. */ 157 *ap++ = _PATH_LFS_CLEANERD; 158 if (short_rds) 159 *ap++ = "-s"; 160 if (cleaner_debug) 161 *ap++ = "-d"; 162 *ap++ = name; 163 *ap = NULL; 164 165 execv(args[0], args); 166 err(1, "exec %s", _PATH_LFS_CLEANERD); 167 } 168 169 void 170 usage() 171 { 172 (void)fprintf(stderr, 173 "usage: mount_lfs [-dns] [-o options] special node\n"); 174 exit(1); 175 } 176